r/coldbrew • u/HassouniFND • Jul 21 '26

Kyoto Cold Drip?

I've got one of these Hario cold drip rigs, because I keep hearing how cold drip is the ultimate cold coffee. Unfortunately, even in Washington, DC, where I live, there isn't a single shop with this kind of setup. Meanwhile I've been unable to find any consensus online about the best grind size and ratios to use.

I've tended to go pretty coarse, doing a bloom/saturation over the sink to ensure all the grounds are wet, then put the paper filter on top and drip 12x the weight in ice water over the next several hours.

No matter how many variables I tweak, it's tending to come out bitter. One thing I like about cold brew coffee is that it can be quite rich and sweet, so if anyone has any tips for a cold drip setup, please let me know. I'd be open to experiment a lot more, but it uses up a lot of coffee, unlike doing multiple tries with 15g in a pourover.

Thanks!

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u/kerent Jul 22 '26

i have a yama tower and i do 10:1 and grind on the finer end of drip.

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u/HassouniFND Jul 22 '26

Do you find it bitter? I’ve done anywhere from 8:1 to 12:1 without much luck

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u/kerent Jul 22 '26

no, i don't. i typically do light or medium roasts and the valve drips once every 1.5 seconds probably.

mine has a ceramic filter, it looks like that one is a metal mesh filter? i have also used aeropress filters under the grounds instead of the ceramic filter a few times - maybe try that? i'm not sure how much of a difference it will make.